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Graphtec CE3000-60 cutting issues

Discussion in 'Graphtec' started by Kemble, Jan 18, 2019.

  1. Kemble

    Kemble Member

    274
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    18
    Aug 27, 2007
    Colorado
    Did a few searches and tried all the things from the results. Nothing working so far.

    My circles are not closing, smaller squares don’t close and tear the material in some places.

    Machine is 13 years old, runs 2-3 hours a day 6 days a week. Only thing I have ever needed to replace were blades and Teflon strip.

    Was cutting just fine yesterday, today I’m getting this. Cutting the same on chrome material and oracal 651.

    I have taken the dust cover off, used nearly an entire can of air to clean out all the moving parts (was not dirty to begin with), put down new Teflon strip, have tested 3 different brand new blades, disassembled blue blade holder and cleaned it out with air, moved berrings freely with a needle to see if they were jammed. Cleaned pinch rollers and the side to side rollers (and track) that the head uses to guide it side to side. Cut speed down to 1/2 my normal speed as well as tested every offset from -5 to +5 (always run at 0).

    I am all out of troubleshooting ideas, hence coming to the forums to see if I could find an answer. Nothing I have read has helped.

    Is it time to replace some parts? If so what parts?

    Like I said, machine was cutting perfectly yesterday, today it’s acting like it has a hangover or something.

    Included 2 picks, one is through a 10x loom to try to get a good close up.
     

    Attached Files:

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  2. Joe House

    Joe House Active Member

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    Feb 5, 2004
    WA
    Does your carriage wobble? Also, how old is the blade holder? Those two things are what I see most.

    Good Luck
     
    • Agree Agree x 1
  3. Kemble

    Kemble Member

    274
    1
    18
    Aug 27, 2007
    Colorado
    Carriage does not wobble at all, it's as stiff as a board. Forgot to mention that as that has been an issue in the past. Blade holder assembly never been replaced, still factory original. Think that could be the problem?
     
  4. Joe House

    Joe House Active Member

    972
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    Feb 5, 2004
    WA
    I'd start with a new blade holder then. Also, realize that this is an old plotter as plotters go. There may be other parts that are wearing out.
     
  5. chadorama

    chadorama Owner & Sole Employee

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    Dec 20, 2018
    Denver, Colorado
    Double check your offset settings and make sure that you blade is pivoting in the holder. I’ve had a similar problem and it turned out to be a small piece of vinyl got caught and was hindering the blade movement.
     
  6. Motograffics

    Motograffics New Member

    7
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    Jan 2, 2019
    North Yorkshire UK
    Should normally clean in the blade holder and lubricate inside so the blade swivels properly, if the blade wobbles, perhaps the bearing part inside is worn out, make sure the blade offset is correct.
     
  7. neato

    neato Very Active Member

    2,139
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    May 16, 2003
    Henderson, IL
    Do the squares seem to be skewed at all? Maybe worn pinch rollers?
     
  8. Fernando Névoa

    Fernando Névoa New Member

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    Jan 8, 2019
    Lisboa
     
  9. Fernando Névoa

    Fernando Névoa New Member

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    Jan 8, 2019
    Lisboa
    1/ Please check if the pen block doesn´t oscilate. If there are oscilations, you can readjust the rollers of the pen block - it is easy to do…

    2/ In case there is NO oscilations, you can try the following: try to install a "Pen" and select offfset for "Pen" in such conditions you can eliminate a possible problem with the "cutter holder" and knife. It is good either for testing purposes, if you put a strip of vynil on the top of the cutting base/teflon or switch the teflon in the opposite side and fix it with bi-adhesive only for diagnostics.

    If the cutting quality with the Pen is OK - there are problems with the "holder" or "knife". Please selelct the correct holder and knife, If the holder have the "blue cap" select CB09U and install a CB09U blade 45º with the correct offset.

    3/ In case the cutting quality is not OK with "Pen" . Try to check belt tensions of X and Y motor.

    Good luck and work

    FN
     
  10. Kemble

    Kemble Member

    274
    1
    18
    Aug 27, 2007
    Colorado
    Update: Bought a new blade holder and it fixed my issue. 13 years went by without any cutting issues other than an occasional teflon strip and blades getting dull every 6-8 months, never knew the blade holder wore out. Guess I've been lucky.
     
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